5305-01-238-8855 SCREW,CAP,SOCKET HEAD Index 5306-01-238-8857 BOLT,U

National Stock Number:
5305-01-238-8856

Federal Supply Class:
5305

National Item Identification Number:
012388856

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
AF0073-03622915NORTHROP GRUMMAN CORP ELECTRONIC SYSTEMS DEFENSIVE SYSTEM DIV
FT1625-3658794FASTENER TECHNOLOGY CORP


Techincal Specification:
THREAD SERIES DESIGNATORUNJ
NOMINAL THREAD DIAMETER0.086 INCHES
THREAD QUANTITY PER INCH56
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.149 INCHES MINIMUM AND
0.200 INCHES MAXIMUM
FASTENER LENGTH0.185 INCHES MINIMUM AND
0.200 INCHES MAXIMUM
MATERIALIRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLEBUTTON
HEAD DIAMETER0.154 INCHES MINIMUM AND
0.164 INCHES MAXIMUM
HEAD HEIGHT0.038 INCHES MINIMUM AND
0.046 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.050 INCHES NOMINAL


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